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NR 507 Week 7 Quiz – Advanced Pathophysiology

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Question 1 2 / 2 pts Most dysphasias are associated with cerebrovascular accidents involving which artery? Correct! Middle cerebral artery Posterior communicating artery Anterior com ... municating artery Circle of Willis Dysphasias usually are associated with cerebrovascular accident involving the middle cerebral artery or one of its many branches. Question 2 2 / 2 pts Vomiting is associated with CNS injuries that compress which anatomic location(s)? Vestibular nuclei in the midbrain Diencephalon Correct! Vestibular nuclei in the lower pons and medulla oblongata Floor of the third ventricle Vomiting is associated particularly with CNS injuries that (1) involve the vestibular nuclei (located in the lower pons and medulla oblongata) or their immediate projections, particularly when double vision (diplopia) also is present. Question 3 2 / 2 pts Cognitive operations cannot occur without the _____ functioning. cingulate gyrus pons Correct! reticular activating system medulla oblongata Awareness encompasses all cognitive functions that embody awareness of self, environment, and affective states (i.e., moods). Consciousness often is viewed as having two distinct components: arousal and awareness. Arousal, an attentional system, is the state of awakeness that an individual exhibits. Level of arousal is mediated by the reticular activating system. [Show More]

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